Stainless Steel 321 Pipes

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Stainless Steel 321 Pipes Manufacturer, Supplier and Exporter in Cape Town, South Africa

Bosega Pipes and Tubes, located in Cape Town, South Africa, stands out as a top manufacturer and supplier of high-quality **Stainless Steel 321 Pipes**. These pipes are crafted to excel in high-temperature and corrosive settings, making them a reliable choice for various industrial applications. With their impressive resistance to intergranular corrosion and robust mechanical strength, they’re built to endure the rigors of heat and stress. Bosega takes pride in its precision manufacturing and rigorous quality control, ensuring that every product meets international standards. Their Stainless Steel 321 Pipes are utilized across multiple sectors, including chemical processing, petrochemical, aerospace, and power generation, delivering long-lasting, high-performance solutions that blend efficiency, strength, and corrosion resistance.

Stainless Steel 321 Seamless Pipe
Stainless Steel 321 Welded Pipe
Stainless Steel 321 EFW Pipe

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The composition of **Stainless Steel 321 Pipes** primarily includes iron, chromium (17–19%), nickel (9–13%), and titanium, which helps stabilize the material against carbide precipitation during welding and exposure to high temperatures. These pipes boast a tensile strength ranging from approximately 515 to 700 MPa and a yield strength of about 205 MPa, providing excellent toughness and resistance to creep. They also resist oxidation and scaling at elevated temperatures up to 870°C, along with good weldability and formability, making them perfect for high-temperature and high-stress applications.

Stainless Steel 321 Pipes Specification

Pipe Standard ASTM A312 ASME SA312 / ASTM A358 ASME SA358
Pipe Dimension ANSI/ASME B36.19M, ANSI/ASME B36.10M
Pipe Sizes 1 / 2″ NB – 24″ NB
Pipe Outside Diameter 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock
Steel Pipe Manufacturing Process Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray Welded
Stainless Steel Pipe Shapes Hydraulic, Round, Rectangle, Square, Hex, Honed
Stainless Steel Pipe Schedule SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Pipe Ends Half Hard, Soft, Hard, Quarter Hard, Spring Hard
Delivery Condition Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Outside Finish 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements
Value Added Services Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing

Stainless Steel 321 Pipes Chemical Composition

Grade C Mn Si P S Cr N Ni Ti
SS 321 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 0.10 max 9.00 – 12.00 5(C+N) – 0.70 max

SS 321 Pipes Mechanical Properties

DensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
8.0 g/cm31457 °C (2650 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535 %

If You Are Looking To Buy High Quality

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

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Why Choose Stainless Steel 321 Pipes from Bosega Pipes and Tubes?

Choosing Stainless Steel 321 Pipes from Bosega Pipes and Tubes offers corrosion resistance and excellent durability, ideal for harsh environments. Their pipes are precisely engineered for durability and reliability, conforming to stringent industry standards. Bosega offers solutions tailored to suit specific business requirements, backed by exceptional customer service. Furthermore, their commitment to quality ensures longevity and performance, making them a reliable choice for a variety of applications. Trust Bosega’s expertise in providing quality stainless steel for your needs.

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Largest Stainless Steel 321 Pipes Supplier in Cape Town, South Africa

Bosega Pipes and Tubes, one of the largest suppliers of Stainless Steel 321 Pipes in Cape Town, South Africa, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.

Stainless Steel 321 Pipes Sizes in MM

Designation of Diameter O/D Nominal Wall Thickness
DIA SCH.5S SCH.5 SCH 10S SCH.10 SCH.20S SCH.30 SCH.40S SCH.40 SCH 60
(A) (B) Meter MM Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr
6 1/8 10.3 1 0.23 1.2 0.27 1.5 0.33 1.73 0.37
8 1/4 13.7 1.2 0.37 1.65 0.49 2 0.58 2.24 0.64
10 3/8 17.2 1.2 0.47 1.65 0.63 2 0.74 2.31 0.87
15 1/2 21.3 1.65 0.01 1.65 0.81 2.11 1.02 2.11 1.02 2.5 1.15 2.77 1.29
20 3/4 26.7 1.65 1.03 1.65 1.03 2.11 1.3 2.11 1.3 2.5 1.49 2.87 1.71
25 1 33.4 1.65 1.31 1.65 1.31 2.77 2.13 2.77 2.13 3 2.24 3.38 2.54
32 11/4 24.2 1.65 1.67 1.65 1.67 2.77 2.73 2.77 2.73 3 2.9 3.56 3.44
40 11/2 48.3 1.65 1.93 1.65 1.93 2.77 3.16 2.77 3.16 3 3.35 3.68 4.11
50 2 60.3 1.65 1.93 1.65 2.42 2.77 3.99 2.77 3.99 3.5 4.9 3.91 5.52
65 21/2 73 2.11 3.75 2.11 3.75 3.05 5.34 3.05 5.34 3.5 6 5.16 8.77
80 3 88.9 2.11 4.59 2.11 4.59 3.05 6.56 3.05 6.56 4 8.37 5.49 11.47
90 31/2 101.6 2.11 5.25 2.11 5.25 3.05 7.53 3.05 7.53 4 9.62 5.74 13.78
100 4 114.3 2.11 5.93 2.11 5.93 3.05 8.5 3.05 8.5 4.5 12.18 6.02 6.32
125 5 141.3 2.77 9.61 2.77 9.61 3.4 11.74 3.43 11.74 5 16.8 6.55 2210
150 6 168.3 2.77 11.47 2.77 11.47 3.4 14.04 3.43 14.04 5.5 22.08 7.11 28.69
200 8 219.1 2.77 15 2.77 15 3.76 20.77 3.76 20.27 6.35 33.82 7.04 37.38 8.18 43.2 10.81 53.9
250 10 273.1 3.4 22.95 3.4 22.95 4.19 28.2 4.19 28.2 6.35 42.41 7.8 51.81 9.27 61.22 12.2 82.8
300 12 323.9 3.96 31.72 4.19 33.6 4.57 36.54 4.57 36.54 6.35 50.48 8.38 66.2 9.53 75.01 10.31 80.94 14.27 110.62
350 14 355.6 3.96 34.86 4.78 41.99 6.35 55.53 7.92 68.95 9.53 82.58 9.53 82.58 11.13 96 15.06 128.42
400 16 406.4 4.19 42.2 4.78 48.07 6.35 63.61 7.92 79.03 9.53 94.7 9.53 94.7 12.7 125.2 16.66 162.59
450 18 457.2 4.19 47.46 4.78 54.15 6.35 71.69 7.92 89.1 11.13 124.32 9.53 106.83 14.27 158.27 19.05 209
500 2C 508 4.78 60.23 5.54 69.7 6.35 79.76 9.53 118.93 12.7 157.51 9.53 118.9 15.06 185.89 2062 251.65
550 22 558.8 4.78 65.95 5.54 76.75 6.35 87.84 9.53 131.07 12.7 173.66 9.53 131.07 15.88 216.04 22.23 298.55
600 24 609.6 5.54 83.8 6.35 95.92 6.35 95.92 9.53 143.2 14.27 212.72 9.53 143.2 17.45 258.74 24.59 360.21
650 26 660.4 7.92 129.4 12.7 205.97 9.53 155.32
700 28 711.2 7.92 139.47 12.7 222.13 15.88 276.48 9.53 167.44
750 3C 762 6.35 120.15 7.92 149.55 7.92 149.55 12.7 238.28 15.88 296.68 9.53 179.56
800 32 812.8 7.92 159.62 12.7 254.44 15.88 316.88 9.53 191.69 17.48 348.11
850 34 863.6 7.92 169.64 12.7 270.5 15.88 336.96 9.53 203.74 17.48 370.22
900 36 914.4 7.92 179.77 12.7 286.75 15.88 357.28 9.53 215.93 19.05 427.09

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Types of Stainless Steel 321 Pipes

Stainless Steel 321 Square Pipes
SS 321 Thick Wall Pipe
Stainless Steel 321 ERW Pipes
Stainless Steel 321 Round Pipes
SS 321 LSAW Pipes
Stainless Steel 321 Thin Wall Pipe

Are Custom Sizes Available for Stainless Steel 321 Pipes?

Yes, we offer custom sizes for Stainless Steel 321 Pipes to meet your specific requirements. Our team at Bosega Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@bosegapipes.co.za.

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In industries where heat and corrosion resistance are paramount, **Stainless Steel 321 Pipes** are a go-to choice. They’re perfect for exhaust systems, furnace components, heat exchangers, and equipment used in chemical processing. In the petrochemical industry, they effectively manage corrosive gases and fluids. The aerospace and power generation sectors rely on them for turbine and boiler systems, where durability and high-temperature performance are essential. Additionally, these pipes find applications in marine, food processing, and refinery settings, offering dependable strength, longevity, and outstanding resistance to intergranular corrosion, even under the most demanding conditions.

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